43 static void acrn_ioeventfd_shutdown(struct acrn_vm *vm, struct hsm_ioeventfd *p)  in acrn_ioeventfd_shutdown()  argument
47 	eventfd_ctx_put(p->eventfd);  in acrn_ioeventfd_shutdown()
48 	list_del(&p->list);  in acrn_ioeventfd_shutdown()
49 	kfree(p);  in acrn_ioeventfd_shutdown()
55 	struct hsm_ioeventfd *p;  in hsm_ioeventfd_is_conflict()  local
60 	list_for_each_entry(p, &vm->ioeventfds, list)  in hsm_ioeventfd_is_conflict()
61 		if (p->eventfd == ioeventfd->eventfd &&  in hsm_ioeventfd_is_conflict()
62 		    p->addr == ioeventfd->addr &&  in hsm_ioeventfd_is_conflict()
63 		    p->type == ioeventfd->type &&  in hsm_ioeventfd_is_conflict()
64 		    (p->wildcard || ioeventfd->wildcard ||  in hsm_ioeventfd_is_conflict()
65 			p->data == ioeventfd->data))  in hsm_ioeventfd_is_conflict()
80 	struct hsm_ioeventfd *p;  in acrn_ioeventfd_assign()  local
99 	p = kzalloc(sizeof(*p), GFP_KERNEL);  in acrn_ioeventfd_assign()
100 	if (!p) {  in acrn_ioeventfd_assign()
105 	INIT_LIST_HEAD(&p->list);  in acrn_ioeventfd_assign()
106 	p->addr = args->addr;  in acrn_ioeventfd_assign()
107 	p->length = args->len;  in acrn_ioeventfd_assign()
108 	p->eventfd = eventfd;  in acrn_ioeventfd_assign()
109 	p->type = ioreq_type_from_flags(args->flags);  in acrn_ioeventfd_assign()
117 		p->data = args->data;  in acrn_ioeventfd_assign()
119 		p->wildcard = true;  in acrn_ioeventfd_assign()
123 	if (hsm_ioeventfd_is_conflict(vm, p)) {  in acrn_ioeventfd_assign()
129 	ret = acrn_ioreq_range_add(vm->ioeventfd_client, p->type,  in acrn_ioeventfd_assign()
130 				   p->addr, p->addr + p->length - 1);  in acrn_ioeventfd_assign()
134 	list_add_tail(&p->list, &vm->ioeventfds);  in acrn_ioeventfd_assign()
141 	kfree(p);  in acrn_ioeventfd_assign()
150 	struct hsm_ioeventfd *p;  in acrn_ioeventfd_deassign()  local
158 	list_for_each_entry(p, &vm->ioeventfds, list) {  in acrn_ioeventfd_deassign()
159 		if (p->eventfd != eventfd)  in acrn_ioeventfd_deassign()
162 		acrn_ioreq_range_del(vm->ioeventfd_client, p->type,  in acrn_ioeventfd_deassign()
163 				     p->addr, p->addr + p->length - 1);  in acrn_ioeventfd_deassign()
164 		acrn_ioeventfd_shutdown(vm, p);  in acrn_ioeventfd_deassign()
176 	struct hsm_ioeventfd *p = NULL;  in hsm_ioeventfd_match()  local
180 	list_for_each_entry(p, &vm->ioeventfds, list) {  in hsm_ioeventfd_match()
181 		if (p->type == type && p->addr == addr && p->length >= len &&  in hsm_ioeventfd_match()
182 		    (p->wildcard || p->data == data))  in hsm_ioeventfd_match()
183 			return p;  in hsm_ioeventfd_match()
192 	struct hsm_ioeventfd *p;  in acrn_ioeventfd_handler()  local
224 	p = hsm_ioeventfd_match(client->vm, addr, val, size, req->type);  in acrn_ioeventfd_handler()
225 	if (p)  in acrn_ioeventfd_handler()
226 		eventfd_signal(p->eventfd, 1);  in acrn_ioeventfd_handler()
265 	struct hsm_ioeventfd *p, *next;  in acrn_ioeventfd_deinit()  local
270 	list_for_each_entry_safe(p, next, &vm->ioeventfds, list)  in acrn_ioeventfd_deinit()
271 		acrn_ioeventfd_shutdown(vm, p);  in acrn_ioeventfd_deinit()